Justin, who is not allowed to buy alcohol in the US, where the legal drinking age is 21, is seen holding a green bottle in the snaps taken at Bootsy Bellows in West Hollywood and eagle-eyed party-goers claim it was a Heineken.

Of course, he could be holding it for a friend who was dancing at the time. He is that kind of guy.

Justin's representatives have decided not to comment on the grainy photographs, which appear to have been taken on a mobile phone, in which he doesn't swig the drink but is seen holding onto it as he chats to a stunning brunnette.